Great Bull Run in Pleasanton

July 31, 2014

Michael Macor/The Chronicle

1of16

Justin Triplett, of Vacaville, who was trampled by a bull is taken away for medical attention during The Great Bull Run on Saturday July 26, 2014, at the Alameda County Fairgrounds in Pleasanton, Calif.

Michael Macor/The Chronicle

1of16

Justin Triplett, of Vacaville, who was trampled by a bull is taken away for medical attention during The Great Bull Run on Saturday July 26, 2014, at the Alameda County Fairgrounds in Pleasanton, Calif.